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Bb7b9#5 Ukulele Chord

An intensely tense altered chord combining an augmented fifth with a flat ninth. Used in jazz for dramatic resolution, typically to a minor chord a fourth up.

Ukulele

Strings 1–2–2–2

How to play the Bb7b9#5 chord on ukulele

Read the string pattern 1–2–2–2 from the G string to the A string. Numbers in the pattern are frets; numbers in the colored dots are left-hand fingers. 0 means an open string and X means a muted string.

4th string (G) Fret 1 · index finger
3rd string (C) Fret 2 · middle finger
2nd string (E) Fret 2 · ring finger
1st string (A) Fret 2 · pinky

Other names for the Bb7b9#5 chord

Other names: Bb 7th flat 9 sharp 5

Music theory name: seventh flat nine augmented fifth chord

Common name: Bb 7b9#5 chord

Notes and intervals in the Bb7b9#5 chord

Note Interval
Bb Root
D Major 3rd
F# Augmented 5th
Ab Minor 7th
Cb Minor 9th

All variations

Open
1–2–2–2
Fret 4
4–6–4–5
Fret 7
7–8–7–9
Fret 10
11–11–10–11

More chords with Bb as the root

The same chord type in other keys